Brent Callinicos, whose past roles include serving as the CFO of Uber and Hyperloop One, purchased the 16,000 square-foot McLean home in January.

Hyperloop promises near supersonic ground travel using low pressure tubes and magnetic levitation. But building and operating such a system comes with massive engineering challenges. This video ...

A number of different providers have tried and failed to develop hyperloop technology over the years. The futuristic concept – made popular by Elon Musk – is a train-like transport system where ...